"It's impossible to tell what type of wick a heatpipe uses in your favourite heatsink just by looking at it from the outside. The heatpipe would need to be cut open to find out the answer to that question, and doing so obviously destroy the thermal solution in the process. Instead we offer a rare look at behind the scenes technology which greatly influences thermal performance of modern CPU heatsinks - the heatpipe wick structure."

FULL STORY @ FROSTYTECH(http://www.frostytech.com/articleview.cfm?articleID=2466)